Thankfulness
I am filled with thankfulness.
Feather
The feather was on the fourth step.
Theft
There was a lot of theft by the phone booth.
Faithful
My mother is faithful.
Fourth
My father was in fourth or fifth place.
Truthful
My father is always truthful.
Filthy
The thief was filthy.
mouthful
The thief had a mouthful of money.
phone booth
The phone booth was further than we thought.
filthy
My father was filthy after working on the car.